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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 47 Configuring Private VLANs
Configuring PVLANs
Switch#
configure terminal
Switch(config)#
vlan 202
Switch(config-vlan)#
private-vlan association 303-307,309,440
Switch(config-vlan)#
end
Switch#
show vlan private-vlan
Primary Secondary Type Interfaces
------- --------- ----------------- ------------------------------------------
202 303 community
202 304 community
202 305 community
202 306 community
202 307 community
202 309 community
202 440 isolated
202 550 twoway-community
202 551 twoway-community
202 552 twoway-community
308 community
Note
The secondary VLAN 308 has no associated primary VLAN.
Configuring a Layer 2 Interface as a PVLAN Promiscuous Port
To configure a Layer 2 interface as a PVLAN promiscuous port, perform this task:
Note
The maximum number of unique PVLAN pairs supported by the
switchport private-vlan mapping
command is 1000.
When you configure a Layer 2 interface as a PVLAN promiscuous port, note the following:
•
The
secondary_vlan_list
parameter cannot contain spaces. It can contain multiple comma-separated
items. Each item can be a single PVLAN ID or a hyphenated range of PVLAN IDs.
•
Enter a
secondary_vlan_list
or use the
add
keyword with a
secondary_vlan_list
to map the
secondary VLANs to the PVLAN promiscuous port.
Command
Purpose
Step 1
Switch#
configure terminal
Enters global configuration mode.
Step 2
Switch(config)#
interface
{
fastethernet
|
gigabitethernet
|
tengigabitethernet
}
slot
/
port
Specifies the LAN interface to configure.
Step 3
Switch(config-if)#
switchport mode private-vlan
{
host
|
promiscuous
|
trunk promiscuous | trunk
[secondary]
}
Configures a Layer 2 interface as a PVLAN promiscuous
port.
Step 4
Switch(config-if)# [
no
]
switchport private-vlan
mapping
[
trunk]
primary_vlan_ID
{
secondary_vlan_list
|
add
secondary_vlan_list
|
remove
secondary_vlan_list
}
Maps the PVLAN promiscuous port to a primary VLAN
and to selected secondary VLANs.
Step 5
Switch(config-if)#
end
Exits configuration mode.
Step 6
Switch#
show interfaces
{
fastethernet
|
gigabitethernet
|
tengigabitethernet
}
slot
/
port
switchport
Verifies the configuration.
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